Health care stocks were rising premarket Monday, with The Health Care Select Sector SPDR Fund (XLV) and iShares Biotechnology ETF (IBB) 0.3% higher.

RadNet (RDNT) stock was up more than 7% after the company posted higher Q2 adjusted earnings and service revenue.

Legend Biotech (LEGN) shares were more than 2% higher after the company reported that it swung to Q2 adjusted earnings as revenue increased during the period.

Novartis (NVS) shares were up more than 1% after the company said two phase III trials assessing ianalumab in adults with active Sjogren's disease met the primary endpoint of showing "statistically significant" improvements in disease activity.